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/**
* EdDSA-Java by str4d
*
* To the extent possible under law, the person who associated CC0 with
* EdDSA-Java has waived all copyright and related or neighboring rights
* to EdDSA-Java.
*
* You should have received a copy of the CC0 legalcode along with this
* work. If not, see <https://creativecommons.org/publicdomain/zero/1.0/>.
*
*/
package net.i2p.crypto.eddsa;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import java.security.spec.X509EncodedKeySpec;
import net.i2p.crypto.eddsa.Utils;
import net.i2p.crypto.eddsa.spec.EdDSAPublicKeySpec;
import org.junit.Test;
/**
* @author str4d
*
*/
public class EdDSAPublicKeyTest {
/**
* The example public key MCowBQYDK2VwAyEAGb9ECWmEzf6FQbrBZ9w7lshQhqowtrbLDFw4rXAxZuE=
* from https://tools.ietf.org/html/draft-ietf-curdle-pkix-04#section-10.1
*/
static final byte[] TEST_PUBKEY = Utils.hexToBytes("302a300506032b657003210019bf44096984cdfe8541bac167dc3b96c85086aa30b6b6cb0c5c38ad703166e1");
static final byte[] TEST_PUBKEY_NULL_PARAMS = Utils.hexToBytes("302c300706032b6570050003210019bf44096984cdfe8541bac167dc3b96c85086aa30b6b6cb0c5c38ad703166e1");
static final byte[] TEST_PUBKEY_OLD = Utils.hexToBytes("302d300806032b65640a010103210019bf44096984cdfe8541bac167dc3b96c85086aa30b6b6cb0c5c38ad703166e1");
@Test
public void testDecodeAndEncode() throws Exception {
// Decode
X509EncodedKeySpec encoded = new X509EncodedKeySpec(TEST_PUBKEY);
EdDSAPublicKey keyIn = new EdDSAPublicKey(encoded);
// Encode
EdDSAPublicKeySpec decoded = new EdDSAPublicKeySpec(
keyIn.getA(),
keyIn.getParams());
EdDSAPublicKey keyOut = new EdDSAPublicKey(decoded);
// Check
assertThat(keyOut.getEncoded(), is(equalTo(TEST_PUBKEY)));
}
@Test
public void testDecodeWithNullAndEncode() throws Exception {
// Decode
X509EncodedKeySpec encoded = new X509EncodedKeySpec(TEST_PUBKEY_NULL_PARAMS);
EdDSAPublicKey keyIn = new EdDSAPublicKey(encoded);
// Encode
EdDSAPublicKeySpec decoded = new EdDSAPublicKeySpec(
keyIn.getA(),
keyIn.getParams());
EdDSAPublicKey keyOut = new EdDSAPublicKey(decoded);
// Check
assertThat(keyOut.getEncoded(), is(equalTo(TEST_PUBKEY)));
}
@Test
public void testReEncodeOldEncoding() throws Exception {
// Decode
X509EncodedKeySpec encoded = new X509EncodedKeySpec(TEST_PUBKEY_OLD);
EdDSAPublicKey keyIn = new EdDSAPublicKey(encoded);
// Encode
EdDSAPublicKeySpec decoded = new EdDSAPublicKeySpec(
keyIn.getA(),
keyIn.getParams());
EdDSAPublicKey keyOut = new EdDSAPublicKey(decoded);
// Check
assertThat(keyOut.getEncoded(), is(equalTo(TEST_PUBKEY)));
}
}
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